.top{
    /* 设置宽度高度背景颜色 */
    height: 60px;
    width:100%;
    background:rgb(189, 181, 181);
    position: fixed; /*固定在顶部*/
    top: 0;/*离顶部的距离为0*/
    z-index: 999;
}
.top ul{
    /* 清除ul标签的默认样式 */
    width: 10%;
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;

}
.top li {
    float:left; /* 使li内容横向浮动，即横向排列  */
    margin-right:50px;  /* 两个li之间的距离*/
}

.top li a{
    /* 设置链接内容显示的格式*/
    display: block; /* 把链接显示为块元素可使整个链接区域可点击 */
    color:white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none; /* 去除下划线 */
    background-color: #02ffc3;
}
.top li a:hover{
    /* 鼠标选中时背景变为黑色 */
    color: #004b39;
    cursor: pointer;
}
.top li b{
    /* 设置链接内容显示的格式*/
    display: block; /* 把链接显示为块元素可使整个链接区域可点击 */
    color:white;
    text-align: center;
    padding: 14px 16px;
    position: absolute;
    right: 200px;
    text-decoration: none; /* 去除下划线 */
}
.top li b:hover{
    /* 鼠标选中时背景变为黑色 */
    background-color: white;
}
.top ul c{
    position: absolute;
    top: 20px;
    right: 150px;
}
.top ul li ul{
    /* 设置二级菜单 */
    width: auto;
    background:rgb(189, 181, 181);
    position: absolute;
    right: 190px;
    top: 60px;
    display: none; /* 默认隐藏二级菜单的内容 */

}
.top ul li ul li{
    /* 二级菜单li内容的显示 */
    margin-right:0;
    float:none;
    text-align: center;
}
.top ul li:hover ul{
    /* 鼠标选中二级菜单内容时 */
    display: block;
}

/*搜索框*/
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    background: white;
    font-weight: 500;
    font-family: "Microsoft YaHei","宋体","Segoe UI", "Lucida Grande", Helvetica, Arial,sans-serif, FreeSans, Arimo;
}

#container1 {
    position: absolute;
    left: 200px;
    top: -20px;
    margin: 0 auto;
}

#container2 {
    position: absolute;
    left: 200px;
    top: -20px;
    margin: 0 auto;
}


div.search {padding: 30px 0;}

form {
    position: relative;
    width: 300px;
    margin: 0 auto;
}

input, button {
    border: none;
    outline: none;
}

input {
    width: 100%;
    height: 42px;
    padding-left: 13px;
}

button {
    height: 42px;
    width: 42px;
    cursor: pointer;
    position: absolute;
}

.bar1 input {
    border: 2px solid #7BA7AB;
    border-radius: 5px;
    background: #F9F0DA;
    color: #9E9C9C;
}
.bar1 button {
    top: 0;
    right: 0;
    background: #7BA7AB;
    border-radius: 0 5px 5px 0;
}
.bar1 button:before {
    content: "\f002";
    font-family: FontAwesome;
    font-size: 16px;
    color: #F9F0DA;
}

.tupian img:hover{
    transform: scale(1.02,1.02);
    transition: all 0.2s ease-in;
}